4355142513021 has 12 divisors (see below), whose sum is σ = 6295343189148. Its totient is φ = 2901313673664.

The previous prime is 4355142513017. The next prime is 4355142513037. The reversal of 4355142513021 is 1203152415534.

4355142513021 is a `hidden beast` number, since 4 + 3 + 5 + 514 + 2 + 5 + 130 + 2 + 1 = 666.

4355142513021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3105243108900 + 1249899404121 = 1762170^2 + 1117989^2 .

It is not a de Polignac number, because 4355142513021 - 2² = 4355142513017 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4355142513011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176209320 + ... + 176234033.

It is an arithmetic number, because the mean of its divisors is an integer number (524611932429).

Almost surely, 2^{4355142513021} is an apocalyptic number.

It is an amenable number.

4355142513021 is a deficient number, since it is larger than the sum of its proper divisors (1940200676127).

4355142513021 is a wasteful number, since it uses less digits than its factorization.

4355142513021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352444732 (or 352444729 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 4355142513021 its reverse (1203152415534), we get a palindrome (5558294928555).

The spelling of 4355142513021 in words is "four trillion, three hundred fifty-five billion, one hundred forty-two million, five hundred thirteen thousand, twenty-one".